Five storylines to follow at the US Open (opens in new tab)

NEW YORK, June 15 : Five storylines to follow as the world's best players descend on Shinnecock Hills Golf Club in Southampton, New York, this week for the June 18-21 U.S. Open:SCHEFFLER'S GRAND SLAM BIDWorld number one Scottie Scheffler, a two-times Masters winner who won last year's PGA Championship